Fractional Fourier transform for partially coherent Gaussian-Schell model beams

被引：75
作者：
Lin, Q [1 ]
Cai, YJ
机构：
[1] Zhejiang Univ, Inst Opt, Hangzhou 310028, Peoples R China
[2] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310028, Peoples R China
来源：
OPTICS LETTERS | 2002年 / 27卷 / 19期
关键词：
D O I：
10.1364/OL.27.001672
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The fractional Fourier transform (FRT) is applied to partially coherent twisted anisotropic Gaussian-Schell model (GSM) beams based directly on the cross-spectral density. An analytical and concise formula is derived for the cross-spectral density of partially coherent twisted anisotropic GSM beams passing through a FRT system in terms of the tensor method. The corresponding tensor ABCD law for performing a FRT is obtained. The connection between the FRT formula and the generalized Collins formula for partially coherent beams is discussed. The formulas derived provide a powerful tool for analyzing and calculating the FRTs of partially coherent beams. (C) 2002 Optical Society of America.
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收藏
页码：1672 / 1674
页数：3
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